Optimized the CPU usage a little by creating one QTimer that updates all progress indicators instead of having a different QTimer for each Widget.

wobuzz/gui.py

@@ -1,10 +1,14 @@
 #!/usr/bin/python3
 
-from PyQt6.QtCore import Qt
+from PyQt6.QtCore import Qt, QTimer
 from PyQt6.QtWidgets import QDockWidget, QFileDialog
 from .ui.main_window import MainWindow
 
 
+GUI_UPDATE_RATE = 20
+GUI_UPDATE_INTERVAL = 1000 // GUI_UPDATE_RATE
+
+
 class GUI:
     def __init__(self, app):
         self.app = app
@@ -40,15 +44,16 @@ class GUI:
         self.playlist_file_selector.setNameFilters(["Playlists (*.wbz.m3u *.m3u)", "Any (*)"])
         self.playlist_file_selector.setViewMode(QFileDialog.ViewMode.List)
 
-        self.connect()
+        self.gui_update_timer = QTimer()
+        self.gui_update_timer.timeout.connect(self.update_gui)
+        self.gui_update_timer.start(GUI_UPDATE_INTERVAL)
+
+        self.window.closeEvent = self.on_exit
 
         self.window.show()
 
         self.settings.update_all()
 
-    def connect(self):
-        self.window.closeEvent = self.on_exit
-
     def on_exit(self, event):
         self.app.library.on_exit(event)
 
@@ -100,3 +105,8 @@ class GUI:
         if playlist_path is not None and not playlist_path == "":
             self.app.library.import_playlist(playlist_path)
 
+    def update_gui(self):
+        self.track_control.track_progress_slider.update_progress()
+        if self.process_dock.isVisible():
+            self.process_dock.update_processes()
+